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Finding the Fourth Proportional to 17,773.68, 26,651.20 and 5,292

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Solution

The fourth proportional to 17,773.68, 26,651.20 and 5,292 is: 7,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,773.68 : 26,651.20 = 5,292 : x
  2. Step 2: Convert to fraction form
    17,773.68/26,651.20 = 5,292/x
  3. Step 3: Cross multiply
    17,773.68x = 26,651.20 × 5,292
  4. Step 4: Simplify right side
    17,773.68x = 141,038,150.40
  5. Step 5: Solve for x
    x = 141,038,150.40/17,773.68
  6. Step 6: Final answer
    x = 7,935.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.